CN208935380U - A kind of multiple-spring mechanical seal device - Google Patents
A kind of multiple-spring mechanical seal device Download PDFInfo
- Publication number
- CN208935380U CN208935380U CN201821625290.9U CN201821625290U CN208935380U CN 208935380 U CN208935380 U CN 208935380U CN 201821625290 U CN201821625290 U CN 201821625290U CN 208935380 U CN208935380 U CN 208935380U
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- CN
- China
- Prior art keywords
- ring
- axle sleeve
- mounting base
- socketed
- inboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a kind of multiple-spring mechanical seal devices, including gland, shaft and axle sleeve, axle sleeve is socketed in the shaft, the axle sleeve right end is socketed with gland, the gland passes through the mounting base of pin and rear end, cushion is equipped between the mounting base and axle sleeve, tight loop is socketed on the right side of the cushion, the mounting base inboard offers mounting groove, the utility model can effectively play sealing effect by corresponding rotating ring seal ring of moving ring corresponding with the close fit of stationary ring end face and stationary ring sealing ring, the clamping groove on axle sleeve cooperates rotating ring simultaneously, the design of the groove of stationary ring inboard, corresponding seal ring of moving ring and stationary ring sealing ring is enabled more to be bonded the corresponding better tightness of axle sleeve, structure is also more stable, and it is designed by the mounting groove in mounting base so that spring is more stable, knot Structure design is close reasonable, has very strong practicability, is suitble to promote.
Description
Technical field
The utility model belongs to technical field of mechanical, and in particular to a kind of multiple-spring mechanical seal device.
Background technique
Mechanically-sealing apparatus prevents medium from axis and the circumferential clearance of equipment for being sealed between axis and equipment
Leakage.Constituting mechanically-sealing apparatus includes that the rotating ring that can be rotated with the axis and seal face are oppositely arranged with ring seal end face
Stationary ring, one of ring of rotating ring and stationary ring is axial restraint, another ring can be floated axially by spring assembly adjustment
It moves to guarantee that its seal face and the seal face of another ring fit closely, the seal face and stationary ring seal face group of rotating ring
Friction is secondary in a pair, prevents medium from revealing；Existing single-spring mechanical seal often uses spring as transmission mechanism, structure letter
It is single, but transmission is less reliable, and elastic force is uneven, should not be used in and runs at high speed.By the way that the uniform multiple springs formula of elastic force is arranged
Mechanical seal, and trundle is set on mechanical seal spring base, enable water pump steady operation in the operating condition that runs at high speed, guarantees
No leakage.
A kind of multiple-spring mechanical seal device is disclosed to this CN203836215U, comprising: stationary ring lid；Stationary ring, activity
It is sheathed on shaft and is fixed in stationary ring lid, L-type stationary ring sealing ring is folded between stationary ring lid and stationary ring；Rotating ring is slidingly connected
Cooperate in shaft and with stationary ring plane, is provided with rotating ring bayonet on the outer diameter of rotating ring；Spring base, fixing sleeve be set to shaft _ on, bullet
Spring abutment, multiple spring eyes are arranged in upper surface, and the outer diameter of the upper surface is equipped with clamping lock lug corresponding with rotating ring bayonet；
Pushing pad is movably set in shaft and cooperates with rotating ring plane, and the outer diameter of pushing pad is equipped with pushing pad card corresponding with clamping lock lug
Mouthful；And multiple springs, spring is identical as the quantity of spring eye, and one end of spring is embedded in spring eye, another-end with
Pushing pad offsets.The uniform multiple-spring mechanical seal of elastic force is arranged in above-mentioned utility model, and is arranged on mechanical seal spring base
Trundle enables water pump steady operation in the operating condition that runs at high speed, and guarantees No leakage.
But the structural instability influence corresponding with stationary ring sealing ring of the corresponding ring seal ring of above scheme is corresponding close
Feng Xing, there are corresponding limitations.
Utility model content
The purpose of this utility model is to provide a kind of multiple-spring mechanical seal devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of multiple-spring mechanical seal device, packet
Gland, shaft and axle sleeve are included, axle sleeve is socketed in the shaft, the axle sleeve right end is socketed with gland, the gland
By the mounting base of pin and rear end, it is equipped with cushion between the mounting base and axle sleeve, is socketed on the right side of the cushion tight
Gu Quan, the mounting base inboard offer mounting groove, and the mounting groove inboard is installed on spring, the spring left side by deck
It being fixedly connected with throw-out collar, the stationary ring in the throw-out collar and left side is fixedly linked, stationary ring sealing ring is equipped between the stationary ring and throw-out collar,
The rear end of the stationary ring is equipped with rotating ring, and seal ring of moving ring is equipped between the rotating ring and axle sleeve, and the rotating ring passes through pin and axis
Set is fixedly linked.
Preferably, the stationary ring avris is equipped with lug boss, and fixed ring is socketed on the outside of the stationary ring, and the fixed ring is cut
Face diameter is identical as the diameter of section of mounting base.
Preferably, the rotating ring inboard is equipped with groove, and the lug boss on the groove and axle sleeve constitutes installation cavity, the peace
It behave affectedly inboard equipped with seal ring of moving ring.
Preferably, card slot is offered on the left of the axle sleeve, the card slot inboard is socketed with buffering ring.
Preferably, bottom end is installed with clamping groove on the left of the stationary ring, and the clamping groove inboard is equipped with sealing ring, the sealing
Ring section rectangular in form.
Preferably, it is welded and fixed by even block with fixed ring on the left of the mounting base, the depth of section on the left of the axle sleeve
Greater than the depth of section on right side.
The technical effect and advantage of the utility model: the utility model is matched by corresponding rotating ring with being bonded for stationary ring end face
Sealing effect can effectively be played by closing corresponding seal ring of moving ring and stationary ring sealing ring, while the clamping groove cooperation on axle sleeve is dynamic
Ring, stationary ring inboard groove design, enable corresponding seal ring of moving ring to stationary ring sealing ring to be more bonded axle sleeve corresponding
Better tightness, structure is also more stable, and is designed by mounting groove in mounting base so that spring is more stable, knot
Structure design is close reasonable, has very strong practicability, is suitble to promote.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model rotating ring.
In figure: 1- gland, 2- tight loop, 3- mounting base, 4- fixed ring, 5- stationary ring, 6- rotating ring, 7- buffering ring, 8- shaft,
9- seal ring of moving ring, 10- stationary ring sealing ring, 11- spring, 12- mounting groove, 13- throw-out collar, 14- groove, 15- cushion, 16- are close
Seal ring, 17- axle sleeve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of multiple-spring mechanical seal device as shown in Figs. 1-2, including gland 1, shaft 8
And axle sleeve 17, axle sleeve 17 is socketed in the shaft 8,17 right end of axle sleeve is socketed with gland 1, and the gland 1 is logical
The mounting base 3 of pin and rear end is crossed, cushion 15 is equipped between the mounting base 3 and axle sleeve 17, is covered on the right side of the cushion 15
It is connected to tight loop 2,3 inboard of mounting base offers mounting groove 12, and 12 inboard of mounting groove is installed on spring by deck
11,11 left side of the spring is fixedly connected with throw-out collar 13, and the throw-out collar 13 and the stationary ring 5 in left side are fixedly linked, the stationary ring 5 and
Stationary ring sealing ring 10 is equipped between throw-out collar 13, the rear end of the stationary ring 5 is equipped with rotating ring 6, is equipped between the rotating ring 6 and axle sleeve 17
Seal ring of moving ring 9, the rotating ring 6 are fixedly linked by pin with axle sleeve 17.
Specifically, 5 avris of stationary ring is equipped with lug boss, fixed ring 4, the fixed ring 4 are socketed on the outside of the stationary ring 5
Diameter of section it is identical as the diameter of section of mounting base 3.
Specifically, the rotating ring 6 is inboard to be equipped with groove 14, the groove 14 is constituted with the lug boss on axle sleeve 17 to be installed
Chamber, the installation cavity inboard are equipped with seal ring of moving ring 9.
Specifically, offering card slot on the left of the axle sleeve 17, the card slot inboard is socketed with buffering ring 7.
Specifically, the 5 left side bottom end of stationary ring is installed with clamping groove, the clamping groove inboard is equipped with sealing ring 16, described
16 section rectangular in form of sealing ring.
Specifically, being welded and fixed by even block with fixed ring 4 on the left of the mounting base 3, the section in 17 left side of axle sleeve
Height is greater than the depth of section on right side.
When in use, corresponding shaft 8 is socketed on axle sleeve 17 utility model, and corresponding axle sleeve 17 passes through rotating ring 6, quiet
The inner hole of ring 5 and mounting base 3 is installed on gland 1 by pin in the mounting base 3 of corresponding 17 end of axle sleeve, corresponding to pacify
Dress 3 inboard of seat offers mounting groove 12, passes through corresponding rotating ring 6 seal ring of moving ring 9 corresponding with the close fit of 5 end face of stationary ring
Sealing effect can be effectively played with stationary ring sealing ring 10, while clamping groove cooperation rotating ring 6, stationary ring 5 on axle sleeve 17 is inboard
The design of groove 14, corresponding seal ring of moving ring 9 is more bonded with stationary ring sealing ring 10, and axle sleeve 17 is corresponding to be sealed
Property it is more preferable, structure is also more stable, while being designed by the mounting groove 12 in mounting base 3 so that spring 11 is more stable, knot
Structure design is close reasonable, has very strong practicability, is suitble to promote.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of multiple-spring mechanical seal device, including gland (1), shaft (8) and axle sleeve (17), it is characterised in that: institute
It states and is socketed on shaft (8) axle sleeve (17), axle sleeve (17) right end is socketed with gland (1), and the gland (1) passes through pin
The mounting base (3) of nail and rear end is equipped with cushion (15) between the mounting base (3) and axle sleeve (17), the cushion (15)
Right side is socketed with tight loop (2), and mounting base (3) inboard offers mounting groove (12), and mounting groove (12) inboard passes through
Deck is installed on spring (11), is fixedly connected on the left of the spring (11) with throw-out collar (13), the throw-out collar (13) is quiet with left side
Ring (5) is fixedly linked, and is equipped with stationary ring sealing ring (10) between the stationary ring (5) and throw-out collar (13), the rear end of the stationary ring (5) is set
Have rotating ring (6), be equipped with seal ring of moving ring (9) between the rotating ring (6) and axle sleeve (17), the rotating ring (6) passes through pin and axis
Set (17) is fixedly linked.
2. a kind of multiple-spring mechanical seal device according to claim 1, it is characterised in that: stationary ring (5) avris
It equipped with lug boss, is socketed with fixed ring (4) on the outside of the stationary ring (5), the diameter of section of the fixed ring (4) and mounting base (3)
Diameter of section it is identical.
3. a kind of multiple-spring mechanical seal device according to claim 1, it is characterised in that: the rotating ring (6) is inboard
Equipped with groove (14), the lug boss on the groove (14) and axle sleeve (17) constitutes installation cavity, and the installation cavity inboard is equipped with dynamic
Ring sealing ring (9).
4. a kind of multiple-spring mechanical seal device according to claim 1, it is characterised in that: on the left of the axle sleeve (17)
Card slot is offered, the card slot inboard is socketed with buffering ring (7).
5. a kind of multiple-spring mechanical seal device according to claim 1, it is characterised in that: on the left of the stationary ring (5)
Bottom end is installed with clamping groove, and the clamping groove inboard is equipped with sealing ring (16), sealing ring (16) section rectangular in form.
6. a kind of multiple-spring mechanical seal device according to claim 1, it is characterised in that: the mounting base (3) is left
Side is welded and fixed by even block with fixed ring (4), and the depth of section on the left of the axle sleeve (17) is greater than the depth of section on right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625290.9U CN208935380U (en) | 2018-09-28 | 2018-09-28 | A kind of multiple-spring mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625290.9U CN208935380U (en) | 2018-09-28 | 2018-09-28 | A kind of multiple-spring mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935380U true CN208935380U (en) | 2019-06-04 |
Family
ID=66723606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821625290.9U Expired - Fee Related CN208935380U (en) | 2018-09-28 | 2018-09-28 | A kind of multiple-spring mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457075A (en) * | 2020-03-31 | 2020-07-28 | 中国航发湖南动力机械研究所 | Antifriction device and aircraft transmission system main reducer |
-
2018
- 2018-09-28 CN CN201821625290.9U patent/CN208935380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457075A (en) * | 2020-03-31 | 2020-07-28 | 中国航发湖南动力机械研究所 | Antifriction device and aircraft transmission system main reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20200928 |